问题描述：
英语连词语法
1.She is a good dancer but a singer.
2.You may do it yourself,or ask someone else to do it.
为什么用“but”“or”两个连词,不用其他?
1.应是：She is a good dancer but a poor singer
1.She is a good dancer but a singer.
2.You may do it yourself,or ask someone else to do it.
为什么用“but”“or”两个连词,不用其他?
1.应是：She is a good dancer but a poor singer
问题解答：
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